Style 107U keys, C-E-G-B group, for Casio keyboard. These keys must be installed as a group, and each octave of white keys (C through B) on the keyboard is made up of two groups mounted together: a C-E-G-B group, and a D-F-A group. This piece will replace any C-E-G-B group on the keyboard.
This item is USED.
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